NGC1931
2021.Nov.04 etc. C14 35cmF11+reducer F7,
ZWO ASI294MM L: 3sec*84 + IDAS NB1filter 5sec*3008+3sec*175,
RGB: Baader RGB filter 10sec*490, 313, 484, total 473.9min
NGC1931
2021.Nov.04 etc. C14 35cmF11+reducer F7,
ZWO ASI294MM L: 3sec*84 + IDAS NB1filter 5sec*3008+3sec*175,
RGB: Baader RGB filter 10sec*490, 313, 484, total 473.9min